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A Clinical Study of JS005 in Patients With Ankylosing Spondylitis

Phase 2
Recruiting
Conditions
Ankylosing Spondylitis
Interventions
Drug: Recombinant humanized IL-17A Monoclonal Antibody(JS005)
Drug: Placebo(JS005)
Registration Number
NCT06250062
Lead Sponsor
Shanghai Junshi Bioscience Co., Ltd.
Brief Summary

This is a multicentre, randomized, double-blind, parallel, placebo-controlled Phase II clinical study of 261 adults with active ankylosing spondylitis to evaluate the efficacy and safety of JS005 in the treatment of active ankylosing spondylitis.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
261
Inclusion Criteria
  1. Subjects voluntarily particpate in this clinical study and sign the informed consent form.
  2. Male and female patients aged 18-75 years at the time of screening (both inclusive)
  3. Meet the diagnosis of active Ankylosing Spondylitis(AS), have a record of radiological evidence consistent with the Modified New York Classification Criteria for ankylosing spondylitis as revised in 1984 4. Diagnosis of active AS (active AS is defined as: BASDAI >= 4, total back pain score >=4, and BASDAI second question spinal pain score >=4)
Exclusion Criteria
  1. Pregnant or lactating women.

  2. Active diseases that may confound the evaluation of JS005: other autoimmune inflammatory diseases (including but not limited to systemic lupus erythematosus, rheumatoid arthritis, sarcoidosis, vasculitis, etc.) or chronic pain other than ankylosing spondylitis (including but not limited to fibromyalgia, osteoarthritis, etc.).

  3. Active inflammatory bowel disease within 6 months prior to randomization. 5. Recurrent anterior uveitis or acute anterior uveitis within the last 4 weeks prior to randomization.

  4. History or evidence of active or latent tuberculosis (TB), defined as a positive interferon gamma release assay (IGRA) or purified protein derivative (PPD) at the time of screening. 7. Positive hepatitis B virus test result 8. Prior exposure to JS005 or any other biologic that directly targets IL-17 or the IL-17 receptor.

  5. use of >= 2 TNF-α inhibitors.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Recombinant humanized IL-17A Monoclonal Antibody(JS005)150mgPlacebo(JS005)-
Recombinant humanized IL-17A Monoclonal Antibody(JS005)300mgRecombinant humanized IL-17A Monoclonal Antibody(JS005)-
Recombinant humanized IL-17A Monoclonal Antibody(JS005)300mgPlacebo(JS005)-
Placebo(JS005)Placebo(JS005)-
Recombinant humanized IL-17A Monoclonal Antibody(JS005)150mgRecombinant humanized IL-17A Monoclonal Antibody(JS005)-
Primary Outcome Measures
NameTimeMethod
Assessment of SpondyloArthritis International Society criteria (ASAS)4016 weeks

Proportion of subjects meeting Assessment of SpondyloArthritis International Society criteria (ASAS)40 response criteria at week 16.

Secondary Outcome Measures
NameTimeMethod
Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) ≥ 2.016 weeks and 32 weeks

The proportion of subjects with Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) change of 2.0 or greater from baselinat weeks 16 and 32.

Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) < 1.316 weeks and 32 weeks

Proportion of subjects with Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) less than 1.3 at weeks 16 and 32

Assessment of SpondyloArthritis International Society criteria (ASAS) partial remission16 weeks and 32 weeks

Proportion of subjects who achieved partial remission of Assessment of SpondyloArthritis International Society criteria (ASAS) at weeks 16 and 32

Pharmacokinetic(PK)40 weeks

To evaluate the pharmacokinetic characteristics of JS005: blood concentration of JS005

Immunogenicity40 weeks

The immunogenicity of JS005 was assessed by the positive incidence and titer of drug-resistant antibodies (ADA) and the incidence of neutralizing antibodies (NAb), if applicable

Assessment of SpondyloArthritis International Society criteria (ASAS)4032 weeks

Proportion of subjects meeting Assessment of SpondyloArthritis International Society criteria (ASAS)40 response criteria at week 32.

Assessment of SpondyloArthritis International Society criteria (ASAS)2016 weeks and 32 weeks

Proportion of subjects meeting Assessment of SpondyloArthritis International Society criteria (ASAS)20 response criteria at weeks 16 and 32.

Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP)16 weeks and 32 weeks

Changes in ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) from baseline at weeks 16 and 32

Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) <2.116 weeks and 32 weeks

Proportion of subjects with ASDAS-CRP less than 2.1 at weeks 16 and 32.

Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) ≥ 1.116 weeks and 32 weeks

The proportion of subjects with Ankylosing spondylitis disease activity score C-Reactive Protein (ASDAS-CRP) change of 1.1 or greater from baselinat weeks 16 and 32.

Trial Locations

Locations (38)

Beijing Chao-yang Hospital,Capital Medical University

🇨🇳

Beijing, Beijing, China

Jilin Province People's Hospital

🇨🇳

Jilin, Changchun, China

Zhongshan Hospital Xiamen University

🇨🇳

Xiamen, Fujian, China

The First Affiliated Hospital of Xiamen University

🇨🇳

Xiamen, Fujian, China

Gansu Provincial Hospital

🇨🇳

Lanzhou, Gansu, China

Dongguan People's Hospital

🇨🇳

Dongguan, Guangdong, China

Sun Yat-sen Memorial Hospital

🇨🇳

Guangzhou, Guangdong, China

Guangdong Provincial People's Hospital

🇨🇳

Guangzhou, Guangdong, China

Zhujiang Hospital of Southren Medical University

🇨🇳

Guangzhou, Guangdong, China

The Third Affiliated Hospital of Sun Yat-sen University

🇨🇳

Guangzhou, Guangdong, China

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Beijing Chao-yang Hospital,Capital Medical University
🇨🇳Beijing, Beijing, China
Juan Meng, PhD.
Contact
13810582509
mserena@163.com

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